Simrad ST90 - Setting up the Interface for Speed Log Input

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12Providetheaccuratephysicallocationofthesensor(oritsantenna)withreferenceto
thevessel’scoordinatesystem.
ThepositionofcertainsensorsmustbedenedasanoffsettotheShipOrigininthe
coordinatesystemtomaximizeperformance.Theseoffsetvaluesareallrequiredto
allowtheST90togiveyouasaccurateinformationaspossible.Thedegreeofaccuracy
offeredbytheST90isdirectlyrelatedtotheaccuracyoftheinformationyouenter
ontheSensorInstallationpage.
aSelecttheoffsetvalueontheXaxis(fore-and-aftdirection)fromtheShipOrigin.
AdjustwithapositivevalueforXifthesensorislocatedahead
oftheshiporigin.
bSelecttheoffsetvalueontheYaxis(athwartship)fromtheShipOrigin.Adjust
withapositivevalueforYifthesensorislocatedonthestarboard sideofthe
shiporigin.
cSelecttheoffsetvalueontheZaxis(vertical)fromtheShipOrigin.Adjustwitha
positivevalueforZifthesensorislocatedunder
theshiporigin.
13SelectAddtosavethenewsensorinterfaceyouhavedened.
ThesensorinterfaceisaddedtotheInstalledSensorslistontheSensorInstallationpage.
14Atthebottomofthedialogbox,selectApplytosaveyoursettings.
15Repeatforeachsensorinterfacethatyouneedtosetup.
16ContinueyourworkintheInstallationdialogbox,orselectOKtocloseit.
Furtherrequirements
OntheleftsideoftheInstallationdialogbox,selectSensorConguration.Denethepriority
ofthedatagrams,andsetuprelevantcongurationparameters.
Relatedtopics
Settinguptheinterfacestoperipheraldevices,page128
Settinguptheinterfaceforspeedloginput
Inordertooperatecorrectly,theST90requiresinputfromaspeedlog.Inmostcasesa
suitablesensorisalreadyinstalledonthevessel.Aglobalpositioningsystem(GPS)with
acompatibleoutputformatcanalsobeused.Toselectwhichsensorstoinstall,usethe
SensorInstallationpage.Thevesselspeedisshownonthetopbarifyouhaveenabledthis
intheDisplayOptionsdialogbox.
Prerequisites
Thisprocedureassumesthat:
•YouhaveavacantinterfaceportonyourProcessorUnit.
Operatingprocedures